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https://issues.apache.org/jira/browse/SLING-1729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12906089#action_12906089
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Felix Meschberger commented on SLING-1729:
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It looks like the issue is related to how Java's SecureRandom is implemented on
Linux: It is based on reading from /dev/random which uses entropy in the system
generate a stream of random data. If the entropy is not high enough it may take
a long time (or some key pressing and mouse moving and such) to generate
entropy for /dev/random.
As a workaround, /dev/random can be renamed and a symbolic link from
/dev/urandom to /dev/random be created. This prevents startup from blocking.
> FormAuthenticationHandler activation may take a long time
> ---------------------------------------------------------
>
> Key: SLING-1729
> URL: https://issues.apache.org/jira/browse/SLING-1729
> Project: Sling
> Issue Type: Improvement
> Components: Authentication
> Affects Versions: Form Based Authentication 1.0.0
> Environment: Ubuntu Jaunty 09.10, 64bit
> Reporter: Felix Meschberger
> Assignee: Felix Meschberger
> Fix For: Form Based Authentication 1.0.2
>
>
> During the activation of the FormAuthenticationHandler the TokenStore is
> initialized which includes setting up codes for cookie hashing. These codes
> are based on SecureRandom.getBytes which may take some time to complete.
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